Mounting bracket assembly for an outboard motor



FIG. 1 is a perspective view of a mounting bracket assembly for an outboard motor showing my new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a side elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a front elevational view thereof; and

FIG. 6 is a top plan view thereof. 

The ornamental design of a mounting bracket assembly for an outboard motor, as shown and described. 